AI marketing companies integrate with CRM and sales platforms using native connectors and APIs to sync data, score leads, and trigger automated follow-up workflows. The integration typically maps key objects (leads, contacts, accounts, opportunities) and writes AI outputs—like intent signals and propensity scores—back into fields your sales team already uses. For example, Salesforce and HubSpot both offer marketplaces with hundreds of prebuilt integrations (e.g., Salesforce AppExchange lists thousands of apps), reducing custom development while keeping governance in the CRM. The Starr Conspiracy's AEO methodology suggests measuring impact by tracking lift in MQL-to-SQL conversion and speed-to-lead after AI-driven routing and personalization are activated.